Titles
- Letter from Carl-Goran Heden to Joshua Lederberg14
- Letter from E. S. Anderson to Joshua Lederberg14
- Letter from Emma Klieneberger-Nobel to Joshua Lederberg14
- Letter from Francis Crick to James D. Watson14
- Letter from Hideo Kikkawa to Joshua Lederberg14
- Letter from James A. Jenkins to Joshua Lederberg14
- Letter from Linus Pauling to Warren Weaver14
- Letter from Philip E. Hartman to Joshua Lederberg14
- Letter from Ralph A. Lewin to Joshua Lederberg14
- Letter from Robert Paul Levine to Joshua Lederberg14
- Letter from S. Gaylen Bradley to Joshua Lederberg14
- Letter from Alton Ochsner to Michael E. DeBakey13
- Letter from Barbara McClintock to Curt Stern13
- Letter from C. B. Van Niel to Joshua Lederberg13
- Letter from Clive C. Spicer to Joshua Lederberg13
- Letter from Hugh Odishaw to Joshua Lederberg13
- Letter from James D. Watson to Joshua Lederberg13
- Letter from M. L. Morse to Joshua and Esther Lederberg13
- Letter from R. Sargent Shriver, Jr. to Joshua Lederberg13
- Letter from T. R. Hogness to Joshua Lederberg13